wcsmbs/wmemset.c

   1 /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Dreppere <drepper@gnu.ai.mit.edu>, 1996.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <wchar.h>
  21
  22
  23 wchar_t *
  24 wmemset (s, c, n)
  25      wchar_t *s;
  26      wchar_t c;
  27      size_t n;
  28 {
  29   register wchar_t *wp = s;
  30
  31   while (n >= 4)
  32     {
  33       wp[0] = c;
  34       wp[1] = c;
  35       wp[2] = c;
  36       wp[3] = c;
  37       wp += 4;
  38       n -= 4;
  39     }
  40
  41   if (n > 0)
  42     {
  43       *wp++ = c;
  44       --n;
  45     }
  46   if (n > 0)
  47     {
  48       *wp++ = c;
  49       --n;
  50     }
  51   if (n > 0)
  52     *wp = c;
  53
  54   return s;
  55 }